28962500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{331}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 72620352

約数和(自身を除く): 43657852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 331, 350, 500, 625, 662, 700, 875, 1250, 1324, 1655, 1750, 2317, 2500, 3125, 3310, 3500, 4375, 4634, 6250, 6620, 8275, 8750, 9268, 11585, 12500, 16550, 17500, 21875, 23170, 33100, 41375, 43750, 46340, 57925, 82750, 87500, 115850, 165500, 206875, 231700, 289625, 413750, 579250, 827500, 1034375, 1158500, 1448125, 2068750, 2896250, 4137500, 5792500, 7240625, 14481250, 28962500]

約数ペア:

[(1, 28962500), (2, 14481250), (4, 7240625), (5, 5792500), (7, 4137500), (10, 2896250), (14, 2068750), (20, 1448125), (25, 1158500), (28, 1034375), (35, 827500), (50, 579250), (70, 413750), (100, 289625), (125, 231700), (140, 206875), (175, 165500), (250, 115850), (331, 87500), (350, 82750), (500, 57925), (625, 46340), (662, 43750), (700, 41375), (875, 33100), (1250, 23170), (1324, 21875), (1655, 17500), (1750, 16550), (2317, 12500), (2500, 11585), (3125, 9268), (3310, 8750), (3500, 8275), (4375, 6620), (4634, 6250)]